On your iPhone, go to Settings > Phone > Calls on Other Devices, then turn on Allow Calls on Other Devices.

On your iPad or iPod touch, go to Settings > FaceTime, then turn on Calls from iPhone.

On your Mac, open the FaceTime app, then choose FaceTime > Preferences. Click Settings, then select Calls From iPhone.

If your carrier supports Wi-Fi calling on other devices, you can set up those devices to make and receive calls even when your iPhone isn't turned on or nearby. Learn about Wi-Fi calling.

Make and receive phone calls

Learn how to make and receive phone calls on your Mac, iPad, and iPod touch.

Make a call on your Mac

Move the pointer over any phone number in Contacts, Calendar, Safari, or other app that automatically detects such data. Click the arrow in the box that outlines the phone number, then choose Call [phone number] Using iPhone.

Or open the FaceTime app, enter a phone number in the search field, then click Audio.